| 摘要 |
PROBLEM TO BE SOLVED: To facilitate mounting a window frame on an opening of a building and simplify sealing operation, thereby improving workability.SOLUTION: A horizontal frame comprises a resin plate member and a metallic rail member. The rail member comprises an inner sash running part, an outer sash running part, and a connecting plate part connecting the inner and outer sash running parts.SELECTED DRAWING: Figure 3 |
